(19)

(11)

EP 1 678 503 A2

(12)

(88) Date of publication A3: 04.08.2005 (43) Date of publication: 12.07.2006 Bulletin 2006/28 (21) Application number: 04791917.0 (22) Date of filing: 26.10.2004

(51) International Patent Classification (IPC):  G01N 33/574(1985.01) (86) International application number: PCT/IT2004/000583 (87) International publication number: WO 2005/043165 (12.05.2005 Gazette 2005/19)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 30.10.2003 IT PD20030264 (71) Applicant: Xeptagen S.p.A. 80100 Napoli (IT)	(72) Inventors: PONTISSO, Patrizia I-35100 Padova (IT) BENEDUCE, Luca I-80125 Napoli (IT) FASSINA, Giorgio I-35128 Padova (IT) MARINO, Maria I-81100 Caserta (IT) (74) Representative: Vinci, Marcello  Ufficio Veneto Brevetti Via Sorio 116 35141 Padova 35141 Padova (IT)